The main role of the repudiation is to reduce a small part of the body’s water, not fat loss, usually, the 4th day of the repudiation began to burn fat, if you want to achieve the purpose of fat loss, you may see the effect only on the 7th day or so. The process of repudiating, also known as breaking the valley, resting the valley, is an attempt to absorb natural energy, adjust the function of the internal organs, improve the ability of the spleen and stomach to digest, accelerate the body’s metabolism and promote fat decomposition. But clinically, it is not recommended that the method of weight loss is not supported by scientific evidence, and it may also lead to dehydration, malnutrition, electrolyte disorders, acidosis, etc. due to long periods of time without food. The principle of the abstention is similar to dieting, which may affect the absorption of nutrients in the body. If you want to achieve the purpose of fat loss, in addition to controlling the diet, you also need to do the right amount of exercise, such as yoga, jogging, aerobics, etc., to enhance the metabolic capacity of the body, so that you can achieve the purpose of fat loss. In addition, the control diet is not the same as the abstinence, is to eat 7-8 minutes full per meal, avoid overeating.